The volume thingy would be a pain in the.... for me at least because I mostly listen to music outdoors with the device in my pocket and I am used to adjust the sound volume while device is there. I have the Xperia Arc as well (which has Android gingerbread too) paired with PowerAmp and I have no trouble adjusting the volume with the hardware rocker after the screen goes off. Maybe it's Sony's UI implementation over Android? I hope that's just a bug that'll get fixed soon..
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Originally Posted by FenderP /img/forum/go_quote.gif
The UI is fine. Sony's apps work as expected. The annoying UI bits seem to be inherent to Android. In that way, I prefer the UI of the X and A. Example: changing volume. If the screen times out, the device seems to lock. To change volume, even with the hardware rocker, you need to swipe back in. On the A/X, even with the screen going black you could change volume. Like I said, this seems to be an Android thing.
Haven't benchmarked battery life, but if you go by Sony's specs, it's slightly worse. That makes sense considering it has a much bigger screen. If you run WiFi on all the time with full screen brightness of course you're going to have worse battery life than if you adjust differently.